text: //
  //  SVProgressHUD.h
  //  SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
  //
  //  Copyright (c) 2011-2018 Sam Vermette and contributors. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  #import <AvailabilityMacros.h>
  
  extern NSString * _Nonnull const SVProgressHUDDidReceiveTouchEventNotification;
  extern NSString * _Nonnull const SVProgressHUDDidTouchDownInsideNotification;
  extern NSString * _Nonnull const SVProgressHUDWillDisappearNotification;
  extern NSString * _Nonnull const SVProgressHUDDidDisappearNotification;
  extern NSString * _Nonnull const SVProgressHUDWillAppearNotification;
  extern NSString * _Nonnull const SVProgressHUDDidAppearNotification;
  
  extern NSString * _Nonnull const SVProgressHUDStatusUserInfoKey;
  
  typedef NS_ENUM(NSInteger, SVProgressHUDStyle) {
      SVProgressHUDStyleLight,        // default style, white HUD with black text, HUD background will be blurred
      SVProgressHUDStyleDark,         // black HUD and white text, HUD background will be blurred
      SVProgressHUDStyleCustom        // uses the fore- and background color properties
  };
  
  typedef NS_ENUM(NSUInteger, SVProgressHUDMaskType) {
      SVProgressHUDMaskTypeNone = 1,  // default mask type, allow user interactions while HUD is displayed
      SVProgressHUDMaskTypeClear,     // don't allow user interactions with background objects
      SVProgressHUDMaskTypeBlack,     // don't allow user interactions with background objects and dim the UI in the back of the HUD (as seen in iOS 7 and above)
      SVProgressHUDMaskTypeGradient,  // don't allow user interactions with background objects and dim the UI with a a-la UIAlertView background gradient (as seen in iOS 6)
      SVProgressHUDMaskTypeCustom     // don't allow user interactions with background objects and dim the UI in the back of the HUD with a custom color
  };
  
  typedef NS_ENUM(NSUInteger, SVProgressHUDAnimationType) {
      SVProgressHUDAnimationTypeFlat,     // default animation type, custom flat animation (indefinite animated ring)
      SVProgressHUDAnimationTypeNative    // iOS native UIActivityIndicatorView
  };
  
  typedef void (^SVProgressHUDShowCompletion)(void);
  typedef void (^SVProgressHUDDismissCompletion)(void);
  
  @interface SVProgressHUD : UIView
  
  #pragma mark - Customization
  
  @property (assign, nonatomic) SVProgressHUDStyle defaultStyle UI_APPEARANCE_SELECTOR;                   // default is SVProgressHUDStyleLight
  @property (assign, nonatomic) SVProgressHUDMaskType defaultMaskType UI_APPEARANCE_SELECTOR;             // default is SVProgressHUDMaskTypeNone
  @property (assign, nonatomic) SVProgressHUDAnimationType defaultAnimationType UI_APPEARANCE_SELECTOR;   // default is SVProgressHUDAnimationTypeFlat
  @property (strong, nonatomic, nullable) UIView *containerView;                              // if nil then use default window level
  @property (assign, nonatomic) CGSize minimumSize UI_APPEARANCE_SELECTOR;                    // default is CGSizeZero, can be used to avoid resizing for a larger message
  @property (assign, nonatomic) CGFloat ringThickness UI_APPEARANCE_SELECTOR;                 // default is 2 pt
  @property (assign, nonatomic) CGFloat ringRadius UI_APPEARANCE_SELECTOR;                    // default is 18 pt
  @property (assign, nonatomic) CGFloat ringNoTextRadius UI_APPEARANCE_SELECTOR;              // default is 24 pt
  @property (assign, nonatomic) CGFloat cornerRadius UI_APPEARANCE_SELECTOR;                  // default is 14 pt
  @property (strong, nonatomic, nonnull) UIFont *font UI_APPEARANCE_SELECTOR;                 // default is [UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]
  @property (strong, nonatomic, nonnull) UIColor *backgroundColor UI_APPEARANCE_SELECTOR;     // default is [UIColor whiteColor]
  @property (strong, nonatomic, nonnull) UIColor *foregroundColor UI_APPEARANCE_SELECTOR;     // default is [UIColor blackColor]
  @property (strong, nonatomic, nonnull) UIColor *textColor UI_APPEARANCE_SELECTOR;           // default is [UIColor blackColor]
  @property (strong, nonatomic, nonnull) UIColor *backgroundLayerColor UI_APPEARANCE_SELECTOR;// default is [UIColor colorWithWhite:0 alpha:0.4]
  @property (assign, nonatomic) CGSize imageViewSize UI_APPEARANCE_SELECTOR;                  // default is 28x28 pt
  @property (assign, nonatomic) BOOL shouldTintImages UI_APPEARANCE_SELECTOR;                 // default is YES
  @property (strong, nonatomic, nonnull) UIImage *infoImage UI_APPEARANCE_SELECTOR;           // default is the bundled info image provided by Freepik
  @property (strong, nonatomic, nonnull) UIImage *successImage UI_APPEARANCE_SELECTOR;        // default is the bundled success image provided by Freepik
  @property (strong, nonatomic, nonnull) UIImage *errorImage UI_APPEARANCE_SELECTOR;          // default is the bundled error image provided by Freepik
  @property (strong, nonatomic, nonnull) UIView *viewForExtension UI_APPEARANCE_SELECTOR;     // default is nil, only used if #define SV_APP_EXTENSIONS is set
  @property (assign, nonatomic) NSTimeInterval graceTimeInterval;                             // default is 0 seconds
  @property (assign, nonatomic) NSTimeInterval minimumDismissTimeInterval;                    // default is 5.0 seconds
  @property (assign, nonatomic) NSTimeInterval maximumDismissTimeInterval;                    // default is CGFLOAT_MAX
  
  @property (assign, nonatomic) UIOffset offsetFromCenter UI_APPEARANCE_SELECTOR; // default is 0, 0
  
  @property (assign, nonatomic) NSTimeInterval fadeInAnimationDuration UI_APPEARANCE_SELECTOR;    // default is 0.15
  @property (assign, nonatomic) NSTimeInterval fadeOutAnimationDuration UI_APPEARANCE_SELECTOR;   // default is 0.15
  
  @property (assign, nonatomic) UIWindowLevel maxSupportedWindowLevel; // default is UIWindowLevelNormal
  
  @property (assign, nonatomic) BOOL hapticsEnabled;	// default is NO
  
  + (void)setDefaultStyle:(SVProgressHUDStyle)style;                  // default is SVProgressHUDStyleLight
  + (void)setDefaultMaskType:(SVProgressHUDMaskType)maskType;         // default is SVProgressHUDMaskTypeNone
  + (void)setDefaultAnimationType:(SVProgressHUDAnimationType)type;   // default is SVProgressHUDAnimationTypeFlat
  + (void)setContainerView:(nullable UIView*)containerView;           // default is window level
  + (void)setMinimumSize:(CGSize)minimumSize;                         // default is CGSizeZero, can be used to avoid resizing for a larger message
  + (void)setRingThickness:(CGFloat)ringThickness;                    // default is 2 pt
  + (void)setRingRadius:(CGFloat)radius;                              // default is 18 pt
  + (void)setRingNoTextRadius:(CGFloat)radius;                        // default is 24 pt
  + (void)setCornerRadius:(CGFloat)cornerRadius;                      // default is 14 pt
  + (void)setBorderColor:(nonnull UIColor*)color;                     // default is nil
  + (void)setBorderWidth:(CGFloat)width;                              // default is 0
  + (void)setFont:(nonnull UIFont*)font;                              // default is [UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]
  + (void)setForegroundColor:(nonnull UIColor*)color;                 // default is [UIColor blackColor], only used for SVProgressHUDStyleCustom
  + (void)setTextColor:(nonnull UIColor*)color;                     // default is [UIColor blackColor], only used for SVProgressHUDStyleCustom
  + (void)setBackgroundColor:(nonnull UIColor*)color;                 // default is [UIColor whiteColor], only used for SVProgressHUDStyleCustom
  + (void)setBackgroundLayerColor:(nonnull UIColor*)color;            // default is [UIColor colorWithWhite:0 alpha:0.5], only used for SVProgressHUDMaskTypeCustom
  + (void)setImageViewSize:(CGSize)size;                              // default is 28x28 pt
  + (void)setShouldTintImages:(BOOL)shouldTintImages;                 // default is YES
  + (void)setInfoImage:(nonnull UIImage*)image;                       // default is the bundled info image provided by Freepik
  + (void)setSuccessImage:(nonnull UIImage*)image;                    // default is the bundled success image provided by Freepik
  + (void)setErrorImage:(nonnull UIImage*)image;                      // default is the bundled error image provided by Freepik
  + (void)setViewForExtension:(nonnull UIView*)view;                  // default is nil, only used if #define SV_APP_EXTENSIONS is set
  + (void)setGraceTimeInterval:(NSTimeInterval)interval;              // default is 0 seconds
  + (void)setMinimumDismissTimeInterval:(NSTimeInterval)interval;     // default is 5.0 seconds
  + (void)setMaximumDismissTimeInterval:(NSTimeInterval)interval;     // default is infinite
  + (void)setFadeInAnimationDuration:(NSTimeInterval)duration;        // default is 0.15 seconds
  + (void)setFadeOutAnimationDuration:(NSTimeInterval)duration;       // default is 0.15 seconds
  + (void)setMaxSupportedWindowLevel:(UIWindowLevel)windowLevel;      // default is UIWindowLevelNormal
  + (void)setHapticsEnabled:(BOOL)hapticsEnabled;						// default is NO
  
  #pragma mark - Show Methods
  
  + (void)show;
  + (void)showWithMaskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use show and setDefaultMaskType: instead.")));
  + (void)showWithStatus:(nullable NSString*)status;
  + (void)showWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showWithStatus: and setDefaultMaskType: instead.")));
  
  + (void)showProgress:(float)progress;
  + (void)showProgress:(float)progress maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showProgress: and setDefaultMaskType: instead.")));
  + (void)showProgress:(float)progress status:(nullable NSString*)status;
  + (void)showProgress:(float)progress status:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showProgress:status: and setDefaultMaskType: instead.")));
  
  + (void)setStatus:(nullable NSString*)status; // change the HUD loading status while it's showing
  
  // stops the activity indicator, shows a glyph + status, and dismisses the HUD a little bit later
  + (void)showInfoWithStatus:(nullable NSString*)status;
  + (void)showInfoWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showInfoWithStatus: and setDefaultMaskType: instead.")));
  + (void)showSuccessWithStatus:(nullable NSString*)status;
  + (void)showSuccessWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showSuccessWithStatus: and setDefaultMaskType: instead.")));
  + (void)showErrorWithStatus:(nullable NSString*)status;
  + (void)showErrorWithStatus:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showErrorWithStatus: and setDefaultMaskType: instead.")));
  
  // shows a image + status, use white PNGs with the imageViewSize (default is 28x28 pt)
  + (void)showImage:(nonnull UIImage*)image status:(nullable NSString*)status;
  + (void)showImage:(nonnull UIImage*)image status:(nullable NSString*)status maskType:(SVProgressHUDMaskType)maskType __attribute__((deprecated("Use showImage:status: and setDefaultMaskType: instead.")));
  
  + (void)setOffsetFromCenter:(UIOffset)offset;
  + (void)resetOffsetFromCenter;
  
  + (void)popActivity; // decrease activity count, if activity count == 0 the HUD is dismissed
  + (void)dismiss;
  + (void)dismissWithCompletion:(nullable SVProgressHUDDismissCompletion)completion;
  + (void)dismissWithDelay:(NSTimeInterval)delay;
  + (void)dismissWithDelay:(NSTimeInterval)delay completion:(nullable SVProgressHUDDismissCompletion)completion;
  
  + (BOOL)isVisible;
  
  + (NSTimeInterval)displayDurationForString:(nullable NSString*)string;
  
  @end
  
  